The wafer butterfly valve can be driven by handles, turbines, sprocket wheels, electric butterfly valve and pneumatic butterfly valve, and the sprocket is suitable for manual operation at high altitude.
Chainwheel actuator(Single-stage)
This product is characterized by small size, light weight, large output torque, rational structure, easy to operate and having reliably selflatching capacity. It is suitable to control the 90°rotary butterfly valve, ball valve,cock valve and regulating valve,etc.

Model | Spec | D | L1 | L2 | A | H | Chain length |
3D-15 | DN50-150(2″-6″) | 200 | 101 | 159 | 180 | 34 | As required |
3D-50 | DN200(8″) | 290 | 194 | 237 | 270 | 42 | |
3D-50 | DN250(10″) | 290 | 194 | 237 | 270 | 42 | |
3D-120 | DN300(12″) | 290 | 184 | 227 | 270 | 40.5 | |
3D-120 | DN250(14″) | 290 | 184 | 227 | 270 | 40.5 | |
3D-250 | DN400(16″) | 410 | 235 | 278 | 380 | 60.5 |